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Linux Kernel "atalk_sum_skb()" AppleTalk Denial of Service
Secunia Advisory: SA24793
Release Date: 2007-04-10
Last Update: 2007-04-12
Popularity: 8,259 views

Critical:
Less critical
Impact: DoS
Where: From local network
Solution Status: Vendor Patch

OS:Linux Kernel 2.6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the "atalk_sum_skb()" function when creating the checksum of an AppleTalk frame that is shorter than specified in the header. This can be exploited to trigger a "BUG_ON" condition by sending a specially crafted AppleTalk frame to a vulnerable system.

Successful exploitation requires that the AppleTalk kernel module is loaded.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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